bool GMESong::StartTrack(int track, bool getcritsec)
{
gme_err_t err;
if (getcritsec)
{
CritSec.Enter();
}
err = gme_start_track(Emu, track);
if (getcritsec)
{
CritSec.Leave();
}
if (err != NULL)
{
Printf("Could not start track %d: %s\n", track, err);
return false;
}
CurrTrack = track;
GetTrackInfo();
if (!m_Looping)
{
gme_set_fade(Emu, CalcSongLength());
}
return true;
}
bool GME::read(Packet &decoded, int &idx)
{
if (m_aborted || gme_track_ended(m_gme))
return false;
gme_set_fade(m_gme, (m_length - 8) * 1000); //Set every time to avoid problems
const int chunkSize = 1024 * 2; //Always stereo
decoded.resize(chunkSize * sizeof(float));
qint16 *srcData = (qint16 *)decoded.data();
float *dstData = (float *)decoded.data();
if (gme_play(m_gme, chunkSize, srcData) != NULL)
return false;
for (int i = chunkSize - 1; i >= 0; --i)
dstData[i] = srcData[i] / 32768.0;
decoded.ts = gme_tell(m_gme) / 1000.0;
decoded.duration = chunkSize / 2 / (double)m_srate;
idx = 0;
return true;
}
gme_err_t Music_Player::start_track( int track )
{
if ( emu_ )
{
gme_free_info( track_info_ );
track_info_ = NULL;
RETURN_ERR( gme_track_info( emu_, &track_info_, track ) );
// Sound must not be running when operating on emulator
sound_stop();
RETURN_ERR( gme_start_track( emu_, track ) );
// Calculate track length
if ( track_info_->length <= 0 )
track_info_->length = track_info_->intro_length +
track_info_->loop_length * 2;
if ( track_info_->length <= 0 )
track_info_->length = (long) (2.5 * 60 * 1000);
gme_set_fade( emu_, track_info_->length );
paused = false;
sound_start();
}
return 0;
}
static int
cgme_read (DB_fileinfo_t *_info, char *bytes, int size) {
gme_fileinfo_t *info = (gme_fileinfo_t*)_info;
int playForever = conf_play_forever && info->can_loop;
float t = (size/4) / (float)_info->fmt.samplerate;
if (info->eof) {
return 0;
}
if (!playForever && _info->readpos + t >= info->duration) {
t = info->duration - _info->readpos;
if (t <= 0) {
return 0;
}
// DON'T ajust size, buffer must always be po2
//size = t * (float)info->samplerate * 4;
}
if (chip_voices_changed) {
chip_voices = deadbeef->conf_get_int ("chip.voices", 0xff);
chip_voices_changed = 0;
gme_mute_voices (info->emu, chip_voices^0xff);
}
if (playForever)
gme_set_fade(info->emu, -1, 0);
else
gme_set_fade(info->emu, (int)(info->duration * 1000), conf_fadeout * 1000);
if (gme_play (info->emu, size/2, (short*)bytes)) {
return 0;
}
_info->readpos += t;
if (gme_track_ended (info->emu)) {
info->eof = 1;
}
return size;
}
static gboolean
xmms_gme_init (xmms_xform_t *xform)
{
xmms_gme_data_t *data;
gme_err_t init_error;
GString *file_contents; /* The raw data from the file. */
gme_info_t *metadata = NULL;
xmms_config_property_t *val;
int loops;
int maxlength;
const char *subtune_str;
int subtune = 0;
long fadelen = -1;
int samplerate;
double stereodepth;
g_return_val_if_fail (xform, FALSE);
data = g_new0 (xmms_gme_data_t, 1);
xmms_xform_private_data_set (xform, data);
val = xmms_xform_config_lookup (xform, "samplerate");
samplerate = xmms_config_property_get_int (val);
if (samplerate < 1)
samplerate = GME_DEFAULT_SAMPLE_RATE;
data->samplerate = samplerate;
xmms_xform_outdata_type_add (xform,
XMMS_STREAM_TYPE_MIMETYPE,
"audio/pcm", /* PCM samples */
XMMS_STREAM_TYPE_FMT_FORMAT,
XMMS_SAMPLE_FORMAT_S16, /* 16-bit signed */
XMMS_STREAM_TYPE_FMT_CHANNELS,
2, /* stereo */
XMMS_STREAM_TYPE_FMT_SAMPLERATE,
samplerate,
XMMS_STREAM_TYPE_END);
file_contents = g_string_new ("");
for (;;) {
xmms_error_t error;
gchar buf[4096];
gint ret;
ret = xmms_xform_read (xform, buf, sizeof (buf), &error);
if (ret == -1) {
XMMS_DBG ("Error reading emulated music data");
return FALSE;
}
if (ret == 0) {
break;
}
g_string_append_len (file_contents, buf, ret);
}
init_error = gme_open_data (file_contents->str, file_contents->len, &data->emu, samplerate);
g_string_free (file_contents, TRUE);
if (init_error) {
XMMS_DBG ("gme_open_data returned an error: %s", init_error);
return FALSE;
}
if (xmms_xform_metadata_get_str (xform, "subtune", &subtune_str)) {
subtune = strtol (subtune_str, NULL, 10);
XMMS_DBG ("Setting subtune to %d", subtune);
if ((subtune < 0 || subtune > gme_track_count (data->emu))) {
XMMS_DBG ("Invalid subtune index");
return FALSE;
}
} else {
xmms_xform_metadata_set_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_SUBTUNES, gme_track_count (data->emu));
}
/*
* Get metadata here
*/
init_error = gme_track_info (data->emu, &metadata, subtune);
if (init_error) {
XMMS_DBG ("Couldn't get GME track info: %s", init_error);
init_error = "";
} else {
xmms_xform_metadata_set_str (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_TITLE, metadata->song);
xmms_xform_metadata_set_str (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_ARTIST, metadata->author);
xmms_xform_metadata_set_str (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_ALBUM, metadata->game);
xmms_xform_metadata_set_str (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_COMMENT, metadata->comment);
xmms_xform_metadata_set_str (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_YEAR, metadata->copyright);
xmms_xform_metadata_set_str (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_GENRE, metadata->system); /* I mapped genre to the system type */
val = xmms_xform_config_lookup (xform, "loops");
loops = xmms_config_property_get_int (val);
XMMS_DBG ("intro_length = %d, loops = %d, loop_length = %d", metadata->intro_length, loops, metadata->loop_length);
if (metadata->intro_length > 0) {
if ((loops > 0) && (metadata->loop_length > 0)) {
fadelen = metadata->intro_length + loops * metadata->loop_length;
XMMS_DBG ("fadelen now = %ld", fadelen);
} else {
fadelen = metadata->length;
XMMS_DBG ("fadelen now = %ld", fadelen);
}
}
}
val = xmms_xform_config_lookup (xform, "maxlength");
maxlength = xmms_config_property_get_int (val);
XMMS_DBG ("maxlength = %d seconds", maxlength);
if (maxlength > 0 && (fadelen < 0 || (maxlength * 1000L < fadelen))) {
fadelen = maxlength * 1000L;
XMMS_DBG ("fadelen now = %ld", fadelen);
}
XMMS_DBG ("gme.fadelen = %ld", fadelen);
val = xmms_xform_config_lookup (xform, "stereodepth");
stereodepth = xmms_config_property_get_float (val);
if (stereodepth >= 0.0 && stereodepth <= 1.0) {
XMMS_DBG ("Setting stereo depth to %f.", stereodepth);
gme_set_stereo_depth (data->emu, stereodepth);
} else {
XMMS_DBG ("gme.stereodepth = %f out of range 0.0 - 1.0; not setting.", stereodepth);
}
init_error = gme_start_track (data->emu, subtune);
if (init_error) {
XMMS_DBG ("gme_start_track returned an error: %s", init_error);
gme_free_info (metadata);
return FALSE;
}
if (fadelen > 0) {
XMMS_DBG ("Setting song length and fade length...");
xmms_xform_metadata_set_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_DURATION, fadelen);
gme_set_fade (data->emu, fadelen);
}
gme_free_info (metadata);
return TRUE;
}
static gboolean
gme_setup (GstGmeDec * gme)
{
gme_info_t *info;
gme_err_t gme_err = NULL;
GstTagList *taglist;
guint64 total_duration;
guint64 fade_time;
GstBuffer *buffer;
GstSegment seg;
GstMapInfo map;
if (!gst_adapter_available (gme->adapter) || !gme_negotiate (gme)) {
return FALSE;
}
buffer =
gst_adapter_take_buffer (gme->adapter,
gst_adapter_available (gme->adapter));
gst_buffer_map (buffer, &map, GST_MAP_READ);
gme_err = gme_open_data (map.data, map.size, &gme->player, 32000);
gst_buffer_unmap (buffer, &map);
gst_buffer_unref (buffer);
if (gme_err || !gme->player) {
if (gme->player) {
gme_delete (gme->player);
gme->player = NULL;
}
GST_ELEMENT_ERROR (gme, STREAM, DEMUX, (NULL), ("%s", gme_err));
return FALSE;
}
gme_err = gme_track_info (gme->player, &info, 0);
taglist = gst_tag_list_new_empty ();
if (info->song && *info->song)
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE,
info->song, NULL);
if (info->author && *info->author)
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ARTIST,
info->author, NULL);
/* Prefer the name of the official soundtrack over the name of the game (since this is
* how track numbers are derived)
*/
if (info->game && *info->game)
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM, info->game,
NULL);
if (info->comment && *info->comment)
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COMMENT,
info->comment, NULL);
if (info->dumper && *info->dumper)
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_CONTACT,
info->dumper, NULL);
if (info->copyright && *info->copyright)
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COPYRIGHT,
info->copyright, NULL);
if (info->system && *info->system)
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER,
info->system, NULL);
gme->total_duration = total_duration =
gst_util_uint64_scale_int (info->play_length + (info->loop_length >
0 ? 8000 : 0), GST_MSECOND, 1);
fade_time = info->loop_length > 0 ? info->play_length : 0;
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_DURATION, total_duration, NULL);
gst_pad_push_event (gme->srcpad, gst_event_new_tag (taglist));
g_free (info);
#ifdef HAVE_LIBGME_ACCURACY
/* TODO: Is it worth it to make this optional? */
gme_enable_accuracy (gme->player, 1);
#endif
gme_start_track (gme->player, 0);
if (fade_time)
gme_set_fade (gme->player, fade_time);
gst_segment_init (&seg, GST_FORMAT_TIME);
gst_pad_push_event (gme->srcpad, gst_event_new_segment (&seg));
gst_pad_start_task (gme->srcpad, (GstTaskFunction) gst_gme_play, gme->srcpad,
NULL);
gme->initialized = TRUE;
gme->seeking = FALSE;
gme->seekpoint = 0;
return gme->initialized;
}
void bmx_gme_set_fade(MaxMusicEmu * emu, long startMsec) {
gme_set_fade(emu->emu, startMsec);
}
